package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

/*
JDBC java数据库链接
 */
public class JDBCDemo1 {
    public static void main(String[] args) {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                    "root",
                    "root");
            System.out.println("连接数据库成功!");
            // 创建数据库表
            Statement statement = connection.createStatement();
            String sql = "CREATE TABLE user(\n" +
                    "    id INT PRIMARY KEY AUTO_INCREMENT,\n" +
                    "    username VARCHAR(30),\n" +
                    "    password VARCHAR(30),\n" +
                    "    nickname VARCHAR(30),\n" +
                    "    age INT(3)\n" +
                    ")";
            /*

             */
            statement.executeUpdate(sql);
            System.out.println("创建完毕");
            connection.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
